An even better classic line. Two in one day. Thanks for the great
laugh. Love you long time.
73, Alek..
At 09:56 AM 14/03/2010, Carl wrote:
>I give up....
>
>Carl
>
>
>
>
>>At 08:52 AM 13/03/2010, Carl wrote:
>>>Lots of things work Alek, there are enough poorly designed amps on
>>>the market that prove that.
>>>
>>>I prefer to attack the problem; and not the symptom and lose a few
>>>hundred watts on 10M to heat.
>>
>>
>>
>>
>>That's gotta be the "Classic Line Of The Week" mate.
>>
>>I mean what is a parasitic suppressor? What is any parasitic
>>suppressor? Is it not something that "attacks the symptom and not
>>the problem"? Whether it is made of strap, copper, stainless steel,
>>Nichrome, has Silver Mica capacitors, 100 Ohm resistors, 50 Ohm
>>resistors or whatever, it is still a device which attacks "the symptom".
>>
>>Throughout the ages, it has been found that a number, if not all,
>>of the methods listed above, are effective in reducing the symptom.
>>None of them attack the problem.
>>
>>If you effectively attack "the problem", you would not need to use
>>a parasitic suppressor at all. Are you suggesting that we can all
>>design, and build our amplifiers in such a way that we do not need
>>to use these devices?
>>
>>We know that certain tubes, depending on their construction and
>>their electrical characteristics, are less prone to the problem
>>than others. In those cases, the problem is solved and you can get
>>away without a suppressor. Would you be brave enough to put a
>>3-500Z or 572B or 3-1000Z amplifier which has no parasitic
>>suppressor/s onto the market? No, of course not. You would have to
>>include suppressors in case that "symptom" ever reared its ugly head.
>>
>>Cheers and thanks,
>>Alek.VK6APK
>>
>>
>>
>>
>>
>>
>>
>>>It also goes back to basics. Why do only a handful of untrained
>>>ham hobbiests fall for the voodo while engineers from all corners
>>>of the planet condemn it?? What commercial amp uses voodo
>>>suppressors? What tube manufacturer champions them?
>>>
>>>Measures was banned from this reflector for his stand and obvious
>>>completely wrong theories.
>>>
>>>Im not going to get in a long winded discourse on this, the
>>>feelings on here run deep and Ive no desire to start it anew.
>>>Anything you might want is in the archives going back to the 90's
>>>when I first joined. You will find a long list of respected
>>>engineers represented.
>>>
>>>Carl
>>>KM1H
>>>
>>>
>>>>At 06:57 AM 13/03/2010, Carl wrote:
>>>>>No offense Alek but the masses on here dont believe in voodo
>>>>>science as they
>>>>>do on the forum you just arrived from. You might want to search
>>>>>the archives
>>>>>on the subject.
>>>>
>>>>Ha ha. No offense taken Carl. You won't offend me in a hurry.
>>>>Number 1, I'm married. Number 2, I live by the principle that if
>>>>you strike a match, then don't cry to mummy (you say mommy) that
>>>>the fire is too hot. I lit the match so I gotta take the flame.
>>>>
>>>>You are probably right about voodoo science but all that is quite
>>>>irrelevant to me, because I know from my own experience, that
>>>>they do actually work. I'm satisfied with that.
>>>>
>>>>>Larry, for a real suppressor that works get a Xicon 50 Ohm 5W MOX resistor
>>>>>and a pair of 100pf 500V silver micas for each suppressor from Mouser.
>>>>>
>>>>>Lay a resistor and the original (or a clone) in parallel. Connect a cap
>>>>>between them at both ends. Wire it dead bug or on perf board.
>>>>
>>>>You said a pair of SM caps for each suppressor. Do you put the 2
>>>>caps in series to give you 50pF @ 1kV and then put that in
>>>>parallel with the coil and resistor?
>>>>
>>>>If so, then I am interested enough to try it out on my Clipperton
>>>>L which is also being done up. I just got a Ameritron plate choke
>>>>in the mail this week so I'll be installing that next weekend,
>>>>along with the .01uF at the base. I have a bundle of 50 Ohm, 5W
>>>>MOF resistors and 100pF SM caps, so I will do up the suppressors as well.
>>>>
>>>>Cheers, Alek
>>>>VK6APK
>>>>
>>>>
>>>>>Carl
>>>>>KM1H
>>>>>
>>>>>
>>>>>----- Original Message -----
>>>>>From: "Alek Petkovic" <vk6apk@bigpond.com>
>>>>>To: "Larry" <w6nws@arrl.net>; "Amps" <amps@contesting.com>
>>>>>Sent: Friday, March 12, 2010 4:57 PM
>>>>>Subject: Re: [Amps] Clipperton-L parasitic suppressors
>>>>>
>>>>>
>>>>> > G'day Larry,
>>>>> >
>>>>> > At the risk of offending the masses, don't worry what value they are.
>>>>> > Just go to http://www.somis.org and scroll down to
>>>>> > <http://www.somis.org/Price-Info.html>Price List--Information Sheet
>>>>> > and order yourself a kit for 4x572B. Much simpler and much better.
>>>>> >
>>>>> > If you still wanna know the value of the original, they are as you
>>>>> > said. In the circuit they are R6 and R7 and the parts list quotes
>>>>> > them as being 100 Ohm, 2 Watts.
>>>>> >
>>>>> > Cheers, Alek
>>>>> > VK6APK
>>>>> >
>>>>> > At 05:33 AM 13/03/2010, Larry wrote:
>>>>> >>I have cleverly filed my Clipperton-L doc. I am hoping someone can
>>>>> >>help. The parasitic
>>>>> >>suppressor resistors have broken. I believe they are 100 ohm 2W
>>>>> >>composition. Can
>>>>> >>anyone confirm the value? I am not sure what caused the breakage at
>>>>> >>this point.
>>>>> >>
>>>>> >>73, Larry W6NWS
>>>>> >>_______________________________________________
>>>>> >>Amps mailing list
>>>>> >>Amps@contesting.com
>>>>> >>http://lists.contesting.com/mailman/listinfo/amps
>>>>> >
>>>>> >
>>>>> > http://www.qrz.com/db/vk6apk
>>>>> > http://www.qrz.com/db/vk6py
>>>>> >
>>>>> > _______________________________________________
>>>>> > Amps mailing list
>>>>> > Amps@contesting.com
>>>>> > http://lists.contesting.com/mailman/listinfo/amps
>>>>>
>>>>>_______________________________________________
>>>>>Amps mailing list
>>>>>Amps@contesting.com
>>>>>http://lists.contesting.com/mailman/listinfo/amps
>>>>
>>>>
>>>>http://www.qrz.com/db/vk6apk
>>>>http://www.qrz.com/db/vk6py
>>
>>
>>http://www.qrz.com/db/vk6apk
>>http://www.qrz.com/db/vk6py
>>
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